How do you get a bull from a cow?
Sheer luck. A cow has to be bred to a bull, and then you wait for around 285 days to see if you get a bull or a heifer from her. It's a 50/50 chance that you'll get a bull or heifer.
You can also be sure you're going to get a bull from your cow if you artificially inseminate her with sexed semen. This means that each individual sperm that is given to her has the Y chromosome that will ensure a bull calf is born.
There is no such thing as a "female cow" nor a "male cow." "Cow" refers to the female of any species including the domestic bovine, and is not a name of a specific animal. The male of a domestic bovine is called a bull, and the female (mature) a cow. To answer your question, it is the bull that is the larger of the two in most cases, such as within breeds and when the…
a bullock is a castrated male young cattle. the opposite is a heifer which has not had a calf. a cow is a female cattle which had bore a calf while a bull is a male cattle which has had a cow. Bull is short for bullock and a bull is not castrated. A steer is a castrated male. The opposite gender of bullock is cow. Bull and cow.